ZA79462B - Method of treating metal oxide varistors to reduce power loss - Google Patents

Method of treating metal oxide varistors to reduce power loss

Info

Publication number
ZA79462B
ZA79462B ZA79462A ZA79462A ZA79462B ZA 79462 B ZA79462 B ZA 79462B ZA 79462 A ZA79462 A ZA 79462A ZA 79462 A ZA79462 A ZA 79462A ZA 79462 B ZA79462 B ZA 79462B
Authority
ZA
South Africa
Prior art keywords
metal oxide
power loss
reduce power
treating metal
oxide varistors
Prior art date
Application number
ZA79462A
Inventor
H Ellis
E Sakshaug
Original Assignee
Gen Electric
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of ZA79462B publication Critical patent/ZA79462B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/102—Varistor boundary, e.g. surface layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49101—Applying terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
ZA79462A 1978-03-10 1979-02-02 Method of treating metal oxide varistors to reduce power loss ZA79462B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/885,294 US4148135A (en) 1978-03-10 1978-03-10 Method of treating metal oxide varistors to reduce power loss

Publications (1)

Publication Number Publication Date
ZA79462B true ZA79462B (en) 1980-02-27

Family

ID=25386577

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA79462A ZA79462B (en) 1978-03-10 1979-02-02 Method of treating metal oxide varistors to reduce power loss

Country Status (8)

Country Link
US (1) US4148135A (en)
JP (1) JPS54132761A (en)
BR (1) BR7901432A (en)
DE (1) DE2905768A1 (en)
ES (1) ES478243A1 (en)
FR (1) FR2419572A1 (en)
SE (1) SE7902053L (en)
ZA (1) ZA79462B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2052856B (en) * 1979-06-18 1983-08-10 Gen Electric Coating protecting varistor during manufacture
US4371860A (en) * 1979-06-18 1983-02-01 General Electric Company Solderable varistor
US4317101A (en) * 1980-10-27 1982-02-23 General Electric Company Stable high voltage DC varistor
US4409728A (en) * 1980-10-27 1983-10-18 General Electric Company Method of making a stable high voltage DC varistor
US4423404A (en) * 1982-02-01 1983-12-27 Electric Power Research Institute, Inc. Non-linear resistor stack and its method of assembly
DE3334533A1 (en) * 1983-09-23 1985-04-04 Transformatoren Union Ag, 7000 Stuttgart Surge arrester
DE3405834A1 (en) * 1984-02-17 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Varistor consisting of a wafer of zinc-oxide material, which is semiconductive as a result of doping, and a method for producing this varistor
JPS62274602A (en) * 1986-05-22 1987-11-28 日本碍子株式会社 Manufacture of voltage nonlinear resistance element
JPS6375003U (en) * 1986-11-06 1988-05-19
DE3917570A1 (en) * 1989-05-30 1990-12-06 Siemens Ag Electrical ceramic component esp. cold conductor - has over-doped surface giving increased breakdown resistance
GB2242068C (en) * 1990-03-16 1996-01-24 Ecco Ltd Varistor manufacturing method and apparatus
GB2242066B (en) * 1990-03-16 1994-04-27 Ecco Ltd Varistor structures
US5973588A (en) 1990-06-26 1999-10-26 Ecco Limited Multilayer varistor with pin receiving apertures
GB9005990D0 (en) * 1990-03-16 1990-05-09 Ecco Ltd Varistor powder compositions
GB2242067B (en) * 1990-03-16 1994-05-04 Ecco Ltd Varistor configurations
US6183685B1 (en) 1990-06-26 2001-02-06 Littlefuse Inc. Varistor manufacturing method
US5569495A (en) * 1995-05-16 1996-10-29 Raychem Corporation Method of making varistor chip with etching to remove damaged surfaces
US5721664A (en) * 1996-12-16 1998-02-24 Raychem Corporation Surge arrester

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723175A (en) * 1967-10-09 1973-03-27 Matsushita Electric Ind Co Ltd Nonlinear resistors of bulk type
JPS549294B2 (en) * 1972-02-16 1979-04-23
US3928245A (en) * 1973-07-09 1975-12-23 Gen Electric Metal oxide voltage-variable resistor composition
US3857174A (en) * 1973-09-27 1974-12-31 Gen Electric Method of making varistor with passivating coating
US4031498A (en) * 1974-10-26 1977-06-21 Kabushiki Kaisha Meidensha Non-linear voltage-dependent resistor

Also Published As

Publication number Publication date
FR2419572A1 (en) 1979-10-05
ES478243A1 (en) 1979-05-16
US4148135A (en) 1979-04-10
JPS54132761A (en) 1979-10-16
BR7901432A (en) 1979-10-09
DE2905768A1 (en) 1979-09-13
SE7902053L (en) 1979-09-11

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